Home / 321,383.10-443,513.09-176,202.55

Finding the Fourth Proportional to 321,383.10, 443,513.09 and 176,202.55

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Solution

The fourth proportional to 321,383.10, 443,513.09 and 176,202.55 is: 243,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,383.10 : 443,513.09 = 176,202.55 : x
  2. Step 2: Convert to fraction form
    321,383.10/443,513.09 = 176,202.55/x
  3. Step 3: Cross multiply
    321,383.10x = 443,513.09 × 176,202.55
  4. Step 4: Simplify right side
    321,383.10x = 78,148,134,317.80
  5. Step 5: Solve for x
    x = 78,148,134,317.80/321,383.10
  6. Step 6: Final answer
    x = 243,161.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.